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LakeMonster.com is a BETA data site created to help lake enthusiasts of all kinds by combining the latest satellite imagery, weather data, lake staff information, and community member reports to communicate current lake conditions.
Check the map below for point temperatures. Drought conditions and low water levels are affecting smaller lake temperature accuracy. We are working to resolve the issue. Please help others by submitting your observed temperatures.

Lost Lake , MA
GPS: 42.597, -71.519 Google Map · LakeMonster Map
Views: 162
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~ 397 miles away - (1511)
Today's Forecast Oct 20, 2021
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Lost Lake's current water temperature is 58°F. Today's forecast is: , with a high around 72°F and a low around 46°F. Winds are out of the W at 6 mph with gusts of 18 mph.

Current Conditions
58°F
Water estimate as of
Oct 12, 2021
72° 46° F
Air
W 6 - 18 gust
Wind
Temps are estimates of the surface temp acquired throughout the lake. Values are generally within a few degrees, but may be inaccurate due to factors including cloud cover, land interference, water levels, and input data quality/accuracy. If a temp is inaccurate, please contact us. Consider helping us improve our accuracy by creating an account and submitting your observed water temps in the section below.


Community Water Temps
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   Your
   Temperature

Latest satelite temp: 58°F
58°F
  Warning: Greater than 10% difference.




Forecast as of Oct 20, 2021
gust  
5  
6+  
11+  
16+  
21+
Wednesday
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72° 52°
W 6-18 mph
8
10
12
2
4
6
8
10

Partly cloudy throughout the day.
Thursday
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73° 56°
SW 6-28 mph
6
8
10
12
2
4
6
8

Partly cloudy throughout the day.
Friday
image
68° 45°
WSW 7-27 mph
6
8
10
12
2
4
6
8

Partly cloudy throughout the day.
Saturday
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61° 37°
NNW 5-12 mph
6
8
10
12
2
4
6
8

Overcast throughout the day.
Sunday
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56° 40°
W 5-23 mph
6
8
10
12
2
4
6
8

Rain overnight.
Monday
image
58° 46°
N 5-26 mph
6
8
10
12
2
4
6
8

Rain in the morning and overnight.
Tuesday
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56° 42°
NNE 4-20 mph
6
8
10
12
2
4
6
8

Light rain throughout the day.
Wednesday
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53° 41°
NNW 9-28 mph
6
8

Mostly cloudy throughout the day.

Latest Satellite Imagery
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Description
Lost Lake, also known as Knop/p/s Pond, is a reservoir in Groton, Massachusetts, United States. It was formed from three lakes by the headwaters of Salmon Brook. The southern part of the lake is known as Knops Pond where it is near 30 feet deep. Wikipedia

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Attributes
Acres 205
Base Elevation 239 Ft

Pressure
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Nearby Lakes
Water: 57° H: 72° L: 45°
Wind 5-17 mph
Mascuppic Lake Partly cloudy throughout the day. 15 miles from Lost Lake Dracut, MA
Water: 49° H: 72° L: 47°
Wind 6-18 mph
Cambridge Reservoir Partly cloudy throughout the day. 28 miles from Lost Lake Waltham, MA
Water: 47° H: 72° L: 49°
Wind 6-21 mph
Lake Cochituate Clear throughout the day. 34 miles from Lost Lake Natick, MA
Water: 54° H: 71° L: 50°
Wind 6-18 mph
Fresh Pond Partly cloudy throughout the day. 39 miles from Lost Lake Cambridge, MA
Water: 57° H: 72° L: 50°
Wind 7-22 mph
Lake Quinsigamond Clear throughout the day. 41 miles from Lost Lake Worcester, MA
Water: 55° H: 70° L: 45°
Wind 5-18 mph
Island Pond Partly cloudy throughout the day. 41 miles from Lost Lake Hampstead, NH
Water: 62° H: 68° L: 46°
Wind 7-20 mph
Lake Monomonac Partly cloudy throughout the day. 41 miles from Lost Lake Rindge, NH
Water: 56° H: 70° L: 45°
Wind 5-19 mph
Massabesic Lake Partly cloudy throughout the day. 47 miles from Lost Lake Manchester, NH
Water: 44° H: 70° L: 46°
Wind 5-19 mph
Lake Attitash Clear throughout the day. 52 miles from Lost Lake Merrimac, MA
Water: 56° H: 71° L: 49°
Wind 7-22 mph
Lake Singletary Clear throughout the day. 52 miles from Lost Lake Millbury, MA
Water: 66° H: 69° L: 47°
Wind 7-19 mph
Powder Mill Pond Partly cloudy throughout the day. 55 miles from Lost Lake Hancock, NH
Water: 62° H: 71° L: 48°
Wind 6-21 mph
Lake Massapoag Clear throughout the day. 62 miles from Lost Lake Sharon, MA
Water: 36° H: 66° L: 46°
Wind 6-18 mph
Nubanusit Lake Clear throughout the day. 62 miles from Lost Lake Nelson, NH
Water: 57° H: 69° L: 45°
Wind 5-20 mph
Pawtuckaway Lake Partly cloudy throughout the day. 62 miles from Lost Lake Nottingham, NH
Water: 64° H: 71° L: 48°
Wind 7-21 mph
Quaboag Pond Clear throughout the day. 63 miles from Lost Lake Brookfield, MA
Water: 66° H: 69° L: 47°
Wind 7-20 mph
Franklin Pierce Lake (Jackman Reservoir) Partly cloudy throughout the day. 66 miles from Lost Lake Hillsborough, NH
Water: 56° H: 71° L: 49°
Wind 7-23 mph
Webster Lake (Lake Chaubunagungamaug) Clear throughout the day. 67 miles from Lost Lake Webster, MA
Water: 54° H: 71° L: 42°
Wind 5-18 mph
Hopkinton Lake Partly cloudy throughout the day. 67 miles from Lost Lake Hopkinton, NH
Water: 59° H: 72° L: 49°
Wind 7-22 mph
Diamond Hill Reservoir Clear throughout the day. 68 miles from Lost Lake Cumberland, RI
Water: 51° H: 70° L: 49°
Wind 7-24 mph
Wallum Lake Clear throughout the day. 69 miles from Lost Lake Burrillville, RI